Method isSameTree

src/com/blankj/easy/_0100/Solution.java:15–19

(TreeNode p, TreeNode q)

 */
public class Solution {
    public boolean isSameTree(TreeNode p, TreeNode q) {
        if (p == null || q == null) return p == q;
        if (p.val != q.val) return false;
        return isSameTree(p.left, q.left) && isSameTree(p.right, q.right);
    }

    public static void main(String[] args) {
        Solution solution = new Solution();